23945011 has 4 divisors (see below), whose sum is σ = 24164800. Its totient is φ = 23725224.

The previous prime is 23945003. The next prime is 23945017. The reversal of 23945011 is 11054932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23945011 - 2³ = 23945003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23945017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109731 + ... + 109948.

It is an arithmetic number, because the mean of its divisors is an integer number (6041200).

Almost surely, 2^23945011 is an apocalyptic number.

23945011 is a deficient number, since it is larger than the sum of its proper divisors (219789).

23945011 is a wasteful number, since it uses less digits than its factorization.

23945011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219788.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 23945011 is about 4893.3639758350. The cubic root of 23945011 is about 288.2294459806.

Adding to 23945011 its reverse (11054932), we get a palindrome (34999943).

The spelling of 23945011 in words is "twenty-three million, nine hundred forty-five thousand, eleven".